]> git.uio.no Git - u/mrichter/AliRoot.git/blame - RICH/AliRICHReconstructor.cxx
git://git.uio.no / u / mrichter / AliRoot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Efficient C++ initialization of data members
[u/mrichter/AliRoot.git] / RICH / AliRICHReconstructor.cxx
CommitLineData
121a60bd 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
0422a446 16#include "AliRICHReconstructor.h" //class header
122efc54 17#include "AliRICH.h" //Reconstruct(...)
0422a446 18#include <AliRawReader.h> //Reconstruct(...)
0422a446 19#include <AliRun.h> //ConvertDigits uses gAlice
db910db9 20#include <AliESD.h> //RichAna()
21#include <AliStack.h> //RichAna()
22#include <TFile.h> //RichAna()
23#include <TFile.h> //RichAna()
24#include <TParticle.h> //RichAna()
25#include <TH1F.h> //CluQA()
26#include <TH2F.h> //CluQA()
27#include <TCanvas.h> //CluQA()
28#include <TNtupleD.h> //CheckPR()
121a60bd 29ClassImp(AliRICHReconstructor)
30
db910db9 31//__________________________________________________________________________________________________
32void AliRICHReconstructor::CluQA(AliRunLoader *pAL)
33{
34// Quality assesment plots for clusters.
35// This methode takes list of digits and form list of clusters again in order to
36// calculate cluster shape and cluster particle mixture
37 AliLoader *pRL=pAL->GetDetectorLoader("RICH"); AliRICH *pRich=(AliRICH*)pAL->GetAliRun()->GetDetector("RICH");//get pointers for RICH and RICH loader
38 Int_t iNevt=pAL->GetNumberOfEvents(); if(iNevt==0) {AliInfoClass("No events");return;}
39 if(pRL->LoadDigits()) {AliInfoClass("No digits file");return;}
40 pAL->LoadHeader();
41 pAL->LoadKinematics();
42// AliStack *pStack=pAL->Stack();
43 TH1::AddDirectory(kFALSE);
44
45 TH1F *pN =new TH1F("RichCluPerEvt" ,"Number of clusters per event;number" ,100 ,0 ,99 );
46 TH1F* pQ =new TH1F("RichCluQdc" ,"Cluster QDC;q [QDC]" ,4000 ,0 ,4000 );
47 TH1F* pS =new TH1F("RichCluSize" ,"Cluster size;size" ,100 ,0 ,100 );
48 TH2F* pM =new TH2F("RichCluMap" ,"Cluster map;x [cm];y [cm]" ,1000 ,0 ,AliRICHParam::PcSizeX() ,1000,0,AliRICHParam::PcSizeY() );
49
50 TH1F* pMipQ=new TH1F("RichCluMipQdc" ,"MIP QDC;q [QDC]" ,4000 ,0 ,4000 );
51 TH1F* pMipS=new TH1F("RichCluMipSize" ,"MIP size;size" ,100 ,0 ,100 );
52 TH2F* pMipM=new TH2F("RichCluMipMap" ,"MIP map;x [cm];y [cm]" ,1000 ,0 ,AliRICHParam::PcSizeX() ,1000,0,AliRICHParam::PcSizeY() );
53
54 TH1F* pCerQ=new TH1F("RichCluCerQdc" ,"Ckov QDC;q [QDC]" ,4000 ,0 ,4000 );
55 TH1F* pCerS=new TH1F("RichCluCerSize" ,"Ckov size;size" ,100 ,0 ,100 );
56 TH2F* pCerM=new TH2F("RichCluCerMap" ,"Ckov map;x [cm];y [cm]" ,1000 ,0 ,AliRICHParam::PcSizeX() ,1000,0,AliRICHParam::PcSizeY() );
57
58 TH1F* pFeeQ=new TH1F("RichCluFeeQdc" ,"Fee QDC;q [QDC]" ,4000 ,0 ,4000);
59 TH1F* pFeeS=new TH1F("RichCluFeeSize" ,"Fee size;size" ,100 ,0 ,100 );
60 TH2F* pFeeM=new TH2F("RichCluFeeMap" ,"Fee map;x [cm];y [cm]" ,1000 ,0 ,AliRICHParam::PcSizeX() ,1000,0,AliRICHParam::PcSizeY() );
61
62
63 TClonesArray *pCluLst=new TClonesArray("AliRICHCluster");//tmp list of clusters
64
65 for(Int_t iEvtN=0; iEvtN<iNevt; iEvtN++){
66 pAL->GetEvent(iEvtN);
67 pRL->TreeD()->GetEntry(0);
68 for(Int_t iChN=1;iChN<=7;iChN++){//chambers loop
69 if(pRich->Digs(iChN)->GetEntriesFast()>0) Dig2Clu(pRich->Digs(iChN),pCluLst,kFALSE);//cluster finder for the current chamber if any digits present
70 }//chambers loop
71
72 pCluLst->Print();
73 for(Int_t iCluN=0 ; iCluN < pCluLst->GetEntriesFast() ; iCluN++){
74 AliRICHCluster *pClu = (AliRICHCluster*)pCluLst->At(iCluN);
75 Int_t iNckov=0,iNfee=0,iNmip=0;
76 pQ ->Fill(pClu->Q()) ; pS ->Fill(pClu->Size()) ; pM ->Fill(pClu->X(),pClu->Y()); //all clusters
77 if(iNckov!=0 && iNfee==0 && iNmip==0) {pCerQ->Fill(pClu->Q()) ; pCerS->Fill(pClu->Size()) ; pCerM ->Fill(pClu->X(),pClu->Y());}//ckov only cluster
78 if(iNckov==0 && iNfee!=0 && iNmip==0) {pFeeQ->Fill(pClu->Q()) ; pFeeS->Fill(pClu->Size()) ; pFeeM ->Fill(pClu->X(),pClu->Y());}//feed only cluster
79 if(iNckov==0 && iNfee==0 && iNmip!=0) {pMipQ->Fill(pClu->Q()) ; pMipS->Fill(pClu->Size()) ; pMipM ->Fill(pClu->X(),pClu->Y());}//mip only cluster
80
81 }//clusters loop
82 }//events loop
83
84 pRL->UnloadDigits(); pAL->UnloadKinematics(); pAL->UnloadHeader();
85 TCanvas *pC=new TCanvas("RichCluQA",Form("QA for cluster from %i events",iNevt),1000,900); pC->Divide(3,3);
86 pC->cd(1); pN->Draw(); pC->cd(2); pQ->Draw(); pC->cd(3); pS->Draw();
87 pC->cd(4); pN->Draw(); pC->cd(5); pMipQ->Draw(); pC->cd(6); pMipS->Draw();
88 pC->cd(7); pN->Draw(); pC->cd(8); pCerQ->Draw(); pC->cd(9); pCerS->Draw();
89}//CluQA()
90//__________________________________________________________________________________________________
91void AliRICHReconstructor::CheckPR()
92{
93//Pattern recognition with stack particles
94 TFile *pFile = new TFile("$(HOME)/RPR.root","RECREATE","RICH Pattern Recognition");
95 TNtupleD *hn = new TNtupleD("hn","ntuple","Pmod:Charge:TrackTheta:TrackPhi:TrackX:TrackY:MinX:MinY:ChargeMIP:ThetaCerenkov:NPhotons:MipIndex:Chamber:Particle");
96// printf("\n\n");
97// printf("Pattern Recognition done for event %5i",0);
98 AliRICH *pRich=((AliRICH*)gAlice->GetDetector("RICH"));
99 AliMagF * magf = gAlice->Field();
100 AliTracker::SetFieldMap(magf,kTRUE);
101 for(Int_t iEvtN=0;iEvtN<pRich->GetLoader()->GetRunLoader()->GetNumberOfEvents();iEvtN++) {
102 pRich->GetLoader()->GetRunLoader()->GetEvent(iEvtN);
103 AliRICHTracker *tr = new AliRICHTracker();
104 tr->RecWithStack(hn);
105 AliInfoClass(Form("Pattern Recognition done for event %i \b",iEvtN));
106// printf("\b\b\b\b\b%5i",iEvtN+1);
107 }
108 printf("\n\n");
109 pFile->Write();pFile->Close();
110}
111//__________________________________________________________________________________________________
112void AliRICHReconstructor::Dig2Clu(TClonesArray *pDigLst,TClonesArray *pCluLst,Bool_t isTryUnfold)
113{
114//Finds all clusters for a given digits list provided not empty. Currently digits list is a list of all digits for a single chamber.
115//If pStack not 0 then also finds Ckov-Fee-Mip composition for formed clusters.
116//Puts all found clusters in the given clusters list.
117//Arguments: pDigLst - list of digits provided not empty
118// pCluLst - list of clusters, provided empty
119// isTryUnfold - flag to choose between CoG and Mathieson fitting
120// Returns: none
121 TMatrixF digMap(1,AliRICHParam::NpadsX(),1,AliRICHParam::NpadsY()); digMap=(Float_t)-1; //digit map for one chamber reseted to -1
122 for(Int_t iDigN=0 ; iDigN < pDigLst->GetEntriesFast() ; iDigN++){ //digits loop to fill digits map
123 AliRICHDigit *pDig= (AliRICHDigit*)pDigLst->At(iDigN); //get current digit
124 digMap( pDig->PadX(), pDig->PadY() )=iDigN; //fill the map, (padx,pady) cell takes digit number
125 } //digits loop to fill digits map
126
127 AliRICHCluster clu; //tmp cluster to be used as current
128
129 for(Int_t iDigN=0;iDigN<pDigLst->GetEntriesFast();iDigN++){ //digits loop to form clusters list
130 AliRICHDigit *pDig=(AliRICHDigit*)pDigLst->At(iDigN); //take current digit
131 if(!(pDig=UseDig(pDig->PadX(),pDig->PadY(),pDigLst,&digMap))) continue; //this digit is already taken in FormClu(), go after next digit
132 FormClu(&clu,pDig,pDigLst,&digMap); //form cluster starting from this digit by recursion
133 clu.Solve(pCluLst,isTryUnfold); //solve this cluster and add all unfolded clusters to provided list
134 clu.Reset(); //empty current cluster
135 } //digits loop to form clusters list
136}//Dig2Clu()
137//__________________________________________________________________________________________________
138void AliRICHReconstructor::FormClu(AliRICHCluster *pClu,AliRICHDigit *pDig,TClonesArray *pDigLst,TMatrixF *pDigMap)
139{
140//Forms the initial cluster as a sum of all adjascent digits. Starts from the given digit
141//then calls itself recursevly for all neighbours.
142//Arguments: pClu - pointer to cluster being formed
143// Returns: none
144 pClu->DigAdd(pDig);//take this digit in cluster
145
146 Int_t x[4],y[4];
147
148 Int_t iNnei=AliRICHParam::PadNeighbours(pDig->PadX(),pDig->PadY(),x,y);//returns in x,y all possible neighbours of the given padx,pady
149 for (Int_t i=0;i<iNnei;i++)
150 if((pDig=UseDig(x[i],y[i],pDigLst,pDigMap))) FormClu(pClu,pDig,pDigLst,pDigMap); //check if this neighbour hit and mark it as taken
151}//FormClu()
152//__________________________________________________________________________________________________
153void AliRICHReconstructor::Reconstruct(AliRunLoader *pAL)const
154{
155//Invoked by AliReconstruction to convert digits to clusters i.e. reconstruct simulated data
156//Arguments: pAL - ALICE run loader pointer
157// Returns: none
158 AliDebug(1,"Start.");
194e649f 159 AliLoader *pRL=pAL->GetDetectorLoader("RICH");
160 AliRICH *pRich=(AliRICH*)pAL->GetAliRun()->GetDetector("RICH");//get pointers for RICH and RICH loader
db910db9 161 pRL->LoadDigits();
194e649f 162 pRL->LoadRecPoints("recreate");
db910db9 163
164 for(Int_t iEvtN=0;iEvtN<pAL->GetNumberOfEvents();iEvtN++){//events loop
165 pAL->GetEvent(iEvtN++); AliDebug(1,Form("Processing event %i...",iEvtN)); //switch current directory to next event
166 pRL->TreeD()->GetEntry(0); pRL->MakeTree("R"); pRich->MakeBranch("R"); //load digits to memory and create branches for clusters
167 for(Int_t iChN=1;iChN<=7;iChN++){//chambers loop
168 if(pRich->Digs(iChN)->GetEntriesFast()>0) Dig2Clu(pRich->Digs(iChN),pRich->Clus(iChN));//cluster finder for the current chamber if any digits present
169 }//chambers loop
170 pRL->TreeR()->Fill(); //fill tree for current event
171 pRL->WriteRecPoints("OVERWRITE");//write out clusters for current event
172 pRich->DigReset(); pRich->CluReset();
173 }//events loop
174
175 pRL->UnloadDigits();
176 pRL->UnloadRecPoints();
177
178 AliDebug(1,"Stop.");
179}//Reconstruct(for simulated digits)
180//__________________________________________________________________________________________________
0422a446 181void AliRICHReconstructor::Reconstruct(AliRunLoader *pAL,AliRawReader* pRR)const
182{
122efc54 183//Invoked by AliReconstruction to convert raw digits from DDL files to clusters
184//Arguments: pAL - ALICE run loader pointer
185// pRR - ALICE raw reader pointer
186// Returns: none
187 AliLoader *pRL=pAL->GetDetectorLoader("RICH"); AliRICH *pRich=(AliRICH*)pAL->GetAliRun()->GetDetector("RICH");//get pointers for RICH and RICH loader
0422a446 188
189 AliRICHDigit dig; //tmp digit, raw digit will be converted to it
190 TClonesArray *pDigList=new TClonesArray("AliRICHDigit"); Int_t iDigCnt=0; //tmp list of digits for single chamber only
191
192 Int_t iEvtN=0;
193 while(pRR->NextEvent()){//events loop
194 pAL->GetEvent(iEvtN++);
195 pRL->MakeTree("R"); pRich->MakeBranch("R");
196
197 for(Int_t iChN=1;iChN<=7;iChN++){//chambers loop
198 pRR->Select(AliRICHDigit::kRichRawId,2*iChN-2,2*iChN-1);//select only DDL files for the current chamber
199 UInt_t w32=0;
200 while(pRR->ReadNextInt(w32)){//raw records loop (in selected DDL files)
201 UInt_t ddl=pRR->GetDDLID(); //returns 0,1,2 ... 13
202 dig.Raw2Dig(ddl,w32);
db910db9 203 AliDebug(1,Form("Ch=%i DDL=%i raw=0x%x digit=(%3i,%3i,%3i,%3i) Q=%5.2f",iChN,ddl,w32,dig.C(),dig.S(),dig.PadX(),dig.PadY(),dig.Qdc()));
0422a446 204 new((*pDigList)[iDigCnt++]) AliRICHDigit(dig); //add this digit to the tmp list
205 }//raw records loop
db910db9 206 if(iDigCnt) Dig2Clu(pDigList,pRich->Clus(iChN));//cluster finder for the current chamber if any digits present
0422a446 207 pRR->Reset();
208 pDigList->Delete(); iDigCnt=0;//clean up list of digits for the current chamber
209 }//chambers loop
210 pRL->TreeR()->Fill(); //fill tree for current event
211 pRL->WriteRecPoints("OVERWRITE");//write out clusters for current event
db910db9 212 pRich->CluReset();
0422a446 213 }//events loop
214 pRL->UnloadRecPoints();
215}//Reconstruct raw data
216//__________________________________________________________________________________________________
01c81d9d 217void AliRICHReconstructor::RichAna(Int_t iNevMin,Int_t iNevMax,Bool_t askPatRec)
122efc54 218{
219 TFile *pFile=TFile::Open("AliESDs.root","read");
01c81d9d 220 if(!pFile || !pFile->IsOpen()) {AliInfoClass("ESD file not open.");return;} //open AliESDs.root
122efc54 221 TTree *pTree = (TTree*) pFile->Get("esdTree");
01c81d9d 222 if(!pTree){AliInfoClass("ESD not found.");return;} //get ESD tree
223 AliInfoClass("ESD found. Go ahead!");
224
122efc54 225 AliRICH *pRich=((AliRICH*)gAlice->GetDetector("RICH"));
01c81d9d 226
227 AliMagF * magf = gAlice->Field();
228 AliTracker::SetFieldMap(magf,kTRUE);
229 pRich->GetLoader()->GetRunLoader()->LoadHeader();
230 pRich->GetLoader()->GetRunLoader()->LoadKinematics();
231 TString var1 = "Pmod:Charge:TrackTheta:TrackPhi:MinX:MinY:ThetaCerenkov:NPhotons:";
232 TString var2 = "ChargeMIP:Chamber:TOF:LengthTOF:prob1:prob2:prob3:";
233 TString var3 = "ErrPar1:ErrPar2:ErrPar3:Th1:Th2:Th3:nPhotBKG:pdgCode";
234 TString varList = var1+var2+var3;
122efc54 235
01c81d9d 236 Double_t dx,dy;
237 Double_t hnvec[30];
122efc54 238
01c81d9d 239// TFile *pFileRA = new TFile("$(HOME)/RichAna.root","RECREATE","RICH Pattern Recognition");
240 TFile *pFileRA = new TFile("./RichAna.root","RECREATE","RICH Pattern Recognition");
241 TNtupleD *hn = new TNtupleD("hn","ntuple",varList);
242 if(iNevMin<0) iNevMin=0;
243 if(iNevMin>iNevMax) {iNevMin=0;iNevMax=0;}
244 if(iNevMax==0) iNevMax=999999;
245 if(pRich->GetLoader()->GetRunLoader()->GetNumberOfEvents()<iNevMax) iNevMax = pRich->GetLoader()->GetRunLoader()->GetNumberOfEvents();
122efc54 246 AliESD *pESD=new AliESD; pTree->SetBranchAddress("ESD", &pESD);
01c81d9d 247 for(Int_t iEvtN=iNevMin;iEvtN<iNevMax;iEvtN++) {
122efc54 248 pTree->GetEvent(iEvtN);
249 pRich->GetLoader()->GetRunLoader()->GetEvent(iEvtN);
250 pRich->GetLoader()->LoadRecPoints();
251 pRich->GetLoader()->TreeR()->GetEntry(0);
01c81d9d 252 AliStack *pStack = pRich->GetLoader()->GetRunLoader()->Stack();
122efc54 253//Pattern recognition started
254 if(pESD->GetNumberOfTracks()) {
255 Int_t iNtracks=pESD->GetNumberOfTracks();
256 AliInfoClass(Form("Start with %i tracks",iNtracks));
257 for(Int_t iTrackN=0;iTrackN<iNtracks;iTrackN++){//ESD tracks loop
258 if(iTrackN%100==0)AliInfoClass(Form("Track %i to be processed",iTrackN));
259 AliRICHTracker *pTrRich = new AliRICHTracker();
db910db9 260 if(askPatRec==kTRUE) pTrRich->PropagateBack(pESD);
122efc54 261 AliESDtrack *pTrack = pESD->GetTrack(iTrackN);// get next reconstructed track
01c81d9d 262
263 Int_t lab=TMath::Abs(pTrack->GetLabel());
264 TParticle *pPart=pStack->Particle(lab);
265 Int_t code=pPart->GetPdgCode();
266
122efc54 267 pTrack->GetRICHdxdy(dx,dy);
268 hnvec[0]=pTrack->GetP();
269 hnvec[1]=pTrack->GetSign();
01c81d9d 270// cout << " Track momentum " << pTrack->GetP() << " charge " << pTrack->GetSign() << endl;
122efc54 271
272 pTrack->GetRICHthetaPhi(hnvec[2],hnvec[3]);
273 pTrack->GetRICHdxdy(hnvec[4],hnvec[5]);
274 hnvec[6]=pTrack->GetRICHsignal();
275 hnvec[7]=pTrack->GetRICHnclusters();
276 hnvec[9]=pTrack->GetRICHcluster()/1000000;
277 hnvec[8]=pTrack->GetRICHcluster()-hnvec[9]*1000000;
278 hnvec[10]=pTrack->GetTOFsignal();
279 hnvec[11]=pTrack->GetIntegratedLength();
280 Double_t prob[5];
281 pTrack->GetRICHpid(prob);
282 hnvec[12]=prob[0]+prob[1]+prob[2];
283 hnvec[13]=prob[3];
284 hnvec[14]=prob[4];
285 hnvec[15]=pTrRich->fErrPar[2];
286 hnvec[16]=pTrRich->fErrPar[3];
287 hnvec[17]=pTrRich->fErrPar[4];
288 for(Int_t i=0;i<3;i++) {
289 Double_t mass = AliRICHParam::fgMass[i+2];
db910db9 290 Double_t refIndex=AliRICHParam::Instance()->IdxC6F14(AliRICHParam::EckovMean());
122efc54 291 Double_t cosThetaTh = TMath::Sqrt(mass*mass+pTrack->GetP()*pTrack->GetP())/(refIndex*pTrack->GetP());
292 hnvec[18+i]=0;
293 if(cosThetaTh>=1) continue;
294 hnvec[18+i]= TMath::ACos(cosThetaTh);
295 }
db910db9 296// if(askPatRec==kTRUE) hnvec[21]=pTrRich->fnPhotBKG; else hnvec[21]=0;
01c81d9d 297 hnvec[22]=code;
122efc54 298 hn->Fill(hnvec);
299 }
300 }
301 AliInfoClass(Form("Pattern Recognition done for event %i",iEvtN));
302 }
303 pFileRA->Write();pFileRA->Close();// close RichAna.root
304 delete pESD; pFile->Close();//close AliESDs.root
db910db9 305}//RichAna()
306//__________________________________________________________________________________________________
307void AliRICHReconstructor::Test(Bool_t isTryUnfold)
308{
309// Test the cluster finding algorithm by providing predifined set of digits
310// Arguments: none
311// Returns: none
312 TClonesArray *pDigTst=new TClonesArray("AliRICHDigit"); TClonesArray *pCluTst=new TClonesArray("AliRICHCluster");
313 Int_t iDigCnt=0;
314 Int_t c,padx,pady,qdc;
315//ckov cluster
316 new((*pDigTst)[iDigCnt++]) AliRICHDigit(c=1,padx= 89,pady=13,qdc= 10);
317 new((*pDigTst)[iDigCnt++]) AliRICHDigit(c=1,padx= 90,pady=13,qdc= 7);
318 new((*pDigTst)[iDigCnt++]) AliRICHDigit(c=1,padx= 90,pady=12,qdc= 6);
319 new((*pDigTst)[iDigCnt++]) AliRICHDigit(c=1,padx= 91,pady=12,qdc= 7);
320//mip cluster
321 new((*pDigTst)[iDigCnt++]) AliRICHDigit(c=1,padx= 99,pady=21,qdc= 9);
322 new((*pDigTst)[iDigCnt++]) AliRICHDigit(c=1,padx= 99,pady=22,qdc= 26);
323 new((*pDigTst)[iDigCnt++]) AliRICHDigit(c=1,padx=100,pady=21,qdc= 39);
324 new((*pDigTst)[iDigCnt++]) AliRICHDigit(c=1,padx=100,pady=22,qdc=109);
325 new((*pDigTst)[iDigCnt++]) AliRICHDigit(c=1,padx=100,pady=23,qdc= 7);
326 new((*pDigTst)[iDigCnt++]) AliRICHDigit(c=1,padx=101,pady=22,qdc= 11);
327
328 pDigTst->Print("","Initial digit:");
329 Dig2Clu(pDigTst,pCluTst,isTryUnfold);
330 pCluTst->Print("","Solved cluster:");
331 delete pDigTst; delete pCluTst;
332}//Test()
01c81d9d 333//__________________________________________________________________________________________________